package com.ruoyi.system.mapper;

import com.ruoyi.common.core.domain.entity.Grad;
import org.apache.ibatis.annotations.Mapper;

import java.util.List;

@Mapper
public interface GradMapper {

    List<Grad> gradList();

    public Grad selectGradById(Integer id);



    void add(Grad grad);

    void delete(Integer id);

    void updateChineseGrades(Grad grad);

    void updateMathGrades(Grad grad);

    void updateEnglishGrades(Grad grad);

    List<Grad> getStudentIds();
}
